84006520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:114

約数の個数: 144

約数和(自身を含む): 222476760

約数和(自身を除く): 138470240

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 43, 52, 65, 68, 85, 86, 104, 130, 136, 169, 170, 172, 215, 221, 260, 289, 338, 340, 344, 430, 442, 520, 559, 578, 676, 680, 731, 845, 860, 884, 1105, 1118, 1156, 1352, 1445, 1462, 1690, 1720, 1768, 2210, 2236, 2312, 2795, 2873, 2890, 2924, 3380, 3655, 3757, 4420, 4472, 5590, 5746, 5780, 5848, 6760, 7267, 7310, 7514, 8840, 9503, 11180, 11492, 11560, 12427, 14365, 14534, 14620, 15028, 18785, 19006, 22360, 22984, 24854, 28730, 29068, 29240, 30056, 36335, 37570, 38012, 47515, 48841, 49708, 57460, 58136, 62135, 72670, 75140, 76024, 95030, 97682, 99416, 114920, 123539, 124270, 145340, 150280, 161551, 190060, 195364, 244205, 247078, 248540, 290680, 323102, 380120, 390728, 488410, 494156, 497080, 617695, 646204, 807755, 976820, 988312, 1235390, 1292408, 1615510, 1953640, 2100163, 2470780, 3231020, 4200326, 4941560, 6462040, 8400652, 10500815, 16801304, 21001630, 42003260, 84006520]

約数ペア:

[(1, 84006520), (2, 42003260), (4, 21001630), (5, 16801304), (8, 10500815), (10, 8400652), (13, 6462040), (17, 4941560), (20, 4200326), (26, 3231020), (34, 2470780), (40, 2100163), (43, 1953640), (52, 1615510), (65, 1292408), (68, 1235390), (85, 988312), (86, 976820), (104, 807755), (130, 646204), (136, 617695), (169, 497080), (170, 494156), (172, 488410), (215, 390728), (221, 380120), (260, 323102), (289, 290680), (338, 248540), (340, 247078), (344, 244205), (430, 195364), (442, 190060), (520, 161551), (559, 150280), (578, 145340), (676, 124270), (680, 123539), (731, 114920), (845, 99416), (860, 97682), (884, 95030), (1105, 76024), (1118, 75140), (1156, 72670), (1352, 62135), (1445, 58136), (1462, 57460), (1690, 49708), (1720, 48841), (1768, 47515), (2210, 38012), (2236, 37570), (2312, 36335), (2795, 30056), (2873, 29240), (2890, 29068), (2924, 28730), (3380, 24854), (3655, 22984), (3757, 22360), (4420, 19006), (4472, 18785), (5590, 15028), (5746, 14620), (5780, 14534), (5848, 14365), (6760, 12427), (7267, 11560), (7310, 11492), (7514, 11180), (8840, 9503)]